package main

import (
	"fmt"
	"errors"
	"reflect"
)

//type Foo struct {
//	X int
//}
//
//type Bar struct {
//	Foo
//}

func main() {
	//b := Bar{Foo.X: 3}
	//b.X = 2

	e := errors.New("123")
	fmt.Print(reflect.TypeOf(e).Kind())
}
